---
product_id: 258574069
title: "Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)"
brand: "noctua"
price: "VT13159"
currency: VUV
in_stock: true
category: "Noctua"
url: https://www.desertcart.vu/products/258574069-noctua-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin
store_origin: VU
region: Vanuatu
---

# 5V 4-pin PWM power control 5000 RPM max speed Ultra-quiet 14.9 dB(A) Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)

**Brand:** noctua
**Price:** VT13159
**Availability:** ✅ In Stock

## Summary

> 🛠️ Silent power in a compact frame—cool smarter, not louder.

## Quick Answers

- **What is this?** Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) by noctua
- **How much does it cost?** VT13159 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/258574069-noctua-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin)

## Best For

- noctua enthusiasts

## Why This Product

- Trusted noctua brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Over 150,000 hours MTTF means this fan keeps your gear cool and running longer—backed by a 6-year manufacturer’s warranty.
- • **Compact Powerhouse:** Ultra-compact 40x40x20mm size fits perfectly in tight spaces like NVIDIA Jetson Nano, network switches, and NAS units.
- • **Award-Winning Design:** Flow Acceleration Channels and Advanced Acoustic Optimisation frame deliver superior airflow with minimal noise—trusted by pros worldwide.
- • **Precision PWM Control:** 4-pin PWM ensures dynamic speed adjustment for optimal cooling and energy efficiency tailored to your device’s needs.
- • **Whisper-Quiet Cooling:** Experience near-silent airflow with industry-leading 14.9 dB(A) noise levels—because your workspace deserves peace.

## Overview

The Noctua NF-A4x20 5V PWM is a premium, ultra-quiet 40x40x20mm cooling fan designed for compact devices like NVIDIA Jetson Nano and network equipment. Featuring a 4-pin PWM connector for precise speed control, it spins up to 5000 RPM while maintaining a whisper-quiet 14.9 dB(A) noise level. Engineered with award-winning aerodynamic design and built to last over 150,000 hours, it ensures reliable, efficient cooling backed by a 6-year warranty.

## Description

Noctua NF-A4x20 5V PWM, 4-Pin Premium Quiet Fan, 40mm, Brown

## Features

- Premium quiet fan, 40x40x20 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF
- Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- 40x20mm size ideal for NVIDIA Jetson Nano, 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B071FNHVXN |
| Best Sellers Rank | #16,619 in Computers ( See Top 100 in Computers ) #103 in Computer Case Fans |
| Brand Name | Noctua |
| Compatible Devices | 3d printer, NAS, DVR |
| Cooling Method | Air |
| Customer Reviews | 4.8 4.8 out of 5 stars (884) |
| Global Trade Identification Number | 09010018100136 |
| Item Dimensions L x W x H | 20L x 40W x 40H millimeters |
| Item Weight | 84 Grams |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 RPM |
| Model | NF-A4x205VPWM |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Part Number | NF-A4x20 5V PWM |
| Power Connector Type | 4-Pin |
| Unit Count | 1 Count |
| Voltage | 5 Volts |
| Warranty Description | 6 year manufacturer’s warranty |

## Product Details

- **Brand:** Noctua
- **Cooling method:** Air
- **Power connector type:** 4-Pin
- **Product dimensions:** 20L x 40W x 40H millimeters
- **Voltage:** 5 Volts

## Images

![Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 1](https://m.media-amazon.com/images/I/71lyRpVR4OL.jpg)
![Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 2](https://m.media-amazon.com/images/I/71hrcJhq7BL.jpg)
![Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 3](https://m.media-amazon.com/images/I/81LqMRpLO2L.jpg)
![Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 4](https://m.media-amazon.com/images/I/81abh0+LmWL.jpg)
![Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown) - Image 5](https://m.media-amazon.com/images/I/71WxE+WP+2L.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: what is the cfm rating?**
A: 5.532631039983588 CFM

**Q: Can these be wired to a usb connector and run off a usb wall charger?**
A: Yes. I run mine off of the gpio pins on a raspberry pi. That's the same concept.

**Q: Does this noctua nf-a4x20 5v pwm premium-quality quiet 40mm fan come with the mounting screws?**
A: Yes, it comes with screws a couple of different connectors for attaching it to 3 and 4 pin connections also some rubbery plug things to pull through the mount holes.

**Q: Can a 3.3v PWM signal be used to control fan speed?**
A: Yes, a 3.3V logic (PWM) signal will control this fan.  I use an Arduino DUE board to control this fan.  The DUE puts out 3.3V logic signals.

## Frequently Bought Together

- Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)
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**Shop now:** [https://www.desertcart.vu/products/258574069-noctua-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin](https://www.desertcart.vu/products/258574069-noctua-nf-a4x20-5v-pwm-premium-quiet-fan-4-pin)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-18*